Thyroxyl There are no products in this category.

Thyroxyl is used for the long term treatment of thyroid insufficiency in dogs. L-thyroxine is a synthetic product chemically identical to the naturally occurring thyroid hormone `T4'. Its effect is slow in onset, but of long duration.

Thyroxyl has now been discontinued by the manufacturer. Your Vet will prescribe an alternative medication for y...

Thyroxyl is used for the long term treatment of thyroid insufficiency in dogs. L-thyroxine is a synthetic product chemically identical to the naturally occurring thyroid hormone `T4'. Its effect is slow in onset, but of long duration.

Thyroxyl has now been discontinued by the manufacturer. Your Vet will prescribe an alternative medication for your dog, such as Soloxine